osfmk/kern/debug.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30
  31 #ifndef _KERN_DEBUG_H_
  32 #define _KERN_DEBUG_H_
  33
  34 #include <sys/cdefs.h>
  35
  36 #ifdef  KERNEL_PRIVATE
  37
  38 extern unsigned int     systemLogDiags;
  39
  40 #ifdef MACH_KERNEL_PRIVATE
  41
  42 extern unsigned int     halt_in_debugger;
  43
  44 extern unsigned int     switch_debugger;
  45
  46 extern unsigned int     current_debugger;
  47 #define NO_CUR_DB       0x0
  48 #define KDP_CUR_DB      0x1
  49 #define KDB_CUR_DB      0x2
  50
  51 extern unsigned int     active_debugger;
  52 extern unsigned int     debug_mode;
  53 extern unsigned int     disableDebugOuput;
  54
  55 extern unsigned int     panicDebugging;
  56 extern unsigned int     logPanicDataToScreen;
  57
  58 extern int db_run_mode;
  59
  60 /* modes the system may be running in */
  61
  62 #define STEP_NONE       0
  63 #define STEP_ONCE       1
  64 #define STEP_RETURN     2
  65 #define STEP_CALLT      3
  66 #define STEP_CONTINUE   4
  67 #define STEP_INVISIBLE  5
  68 #define STEP_COUNT      6
  69 #define STEP_TRACE      7       /* Show all calls to functions and returns */
  70
  71 extern const char               *panicstr;
  72 extern volatile unsigned int    nestedpanic;
  73
  74 extern char *debug_buf;
  75 extern char *debug_buf_ptr;
  76 extern unsigned int debug_buf_size;
  77
  78 extern void     debug_log_init(void);
  79 extern void     debug_putc(char);
  80
  81 extern void     panic_init(void);
  82
  83 #endif /* MACH_KERNEL_PRIVATE */
  84
  85 #define DB_HALT         0x1
  86 #define DB_PRT          0x2
  87 #define DB_NMI          0x4
  88 #define DB_KPRT         0x8
  89 #define DB_KDB          0x10
  90 #define DB_SLOG         0x20
  91 #define DB_ARP          0x40
  92 #define DB_KDP_BP_DIS   0x80
  93 #define DB_LOG_PI_SCRN  0x100
  94 #define DB_KDP_GETC_ENA 0x200
  95
  96 #define DB_KERN_DUMP_ON_PANIC       0x400 /* Trigger core dump on panic*/
  97 #define DB_KERN_DUMP_ON_NMI         0x800 /* Trigger core dump on NMI */
  98 #define DB_DBG_POST_CORE            0x1000 /*Wait in debugger after NMI core */
  99 #define DB_PANICLOG_DUMP            0x2000 /* Send paniclog on panic,not core*/
 100
 101 #endif  /* KERNEL_PRIVATE */
 102
 103 __BEGIN_DECLS
 104
 105 extern void     panic(const char        *string, ...);
 106
 107 __END_DECLS
 108
 109 #endif  /* _KERN_DEBUG_H_ */